Muang Phônsavan weather in December

In December, Muang Phônsavan sees average daytime highs of 22°C and overnight lows near 10°C, with 14 mm of rain across 2.4 wet days and about 10.8 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 46% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 54 min at the start of December to 10 h 48 min by month's end. Set against the rest of the year, December is Muang Phônsavan's 2nd-clearest and 4th-windiest month. For the whole year in context, see Muang Phônsavan's year-round climate.

Daytime high
22°
12th warmest
Overnight low
10°
2nd coldest
Rainfall
14 mm
2.4 wet days
Daylight
10 h 48 min
6:38 AM – 5:28 PM
Cloud cover
44%
2nd clearest
Wind
6 km/h
4th windiest
Solar energy
4.16 kWh/m²
Travel score
8.2
out of 10

Muang Phônsavan is town in Laos.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 22°C through the month.

A typical December day in Muang Phônsavan reaches about 22°C in the afternoon and slips back to 10°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 26°C. Set against its neighbours, December runs about 2°C cooler than November and on par with January.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12312
22312
32312
42312
52312
62311
72311
82311
92311
102311
112211
122211
132211
142210
152210
162210
172210
182210
192210
202210
212210
222210
232210
242210
252210
262210
272210
282210
292210
302210
312210

Muang Phônsavan weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 10°203.3118.1
Feb25° / 11°183.811.38.2
Mar26° / 14°6310.611.96.8
Apr27° / 17°11718.912.45.2
May28° / 19°16525.212.94.0
Jun27° / 21°1852613.23.7
Jul27° / 20°25327.813.13.6
Aug26° / 20°27528.612.73.6
Sep26° / 19°1732112.14.7
Oct25° / 17°6810.911.66.6
Nov24° / 13°204.511.18.0
Dec22° / 10°142.410.88.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 20% of December, with mostly cloudy or overcast conditions the remaining 34%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36139
46139
56139
66040
76040
86040
96040
106139
116139
126238
136337
146535
156634
166733
176931
186931
197129
207129
217228
227228
237228
247228
257129
267129
277129
287030
296931
306931
316832

Chance of precipitation in December

Any precipitation

Muang Phônsavan gets around 14 mm of rain over 2.4 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 8% and peaks near 11% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
111
211
310
410
510
610
79
89
99
108
118
128
137
147
157
166
176
186
196
206
216
227
237
247
257
267
277
288
298
308
319

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the dry band about 58% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14039182
24239182
34338172
44437172
54636162
64736152
74935151
85035141
95234131
105334121
115434111
125633101
13573391
14583381
15593281
16613270
17633160
18633160
19653050
20653050
21672940
22672940
23672940
24672940
25692830
26692830
27692830
28672940
29672940
30672940
31672940

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 54 min at the start of December to 10 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:30 AM to 6:45 AM, and sunset from 5:24 PM to 5:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.96:305:24
210.96:305:24
310.96:315:25
410.96:325:25
510.96:325:25
610.96:335:25
710.96:335:25
810.96:345:26
910.96:345:26
1010.96:355:26
1110.86:365:27
1210.86:365:27
1310.86:375:27
1410.86:375:28
1510.86:385:28
1610.86:385:28
1710.86:395:29
1810.86:395:29
1910.86:405:30
2010.86:405:30
2110.86:415:31
2210.86:415:31
2310.86:425:31
2410.86:425:32
2510.86:435:32
2610.86:435:33
2710.86:445:33
2810.86:445:34
2910.86:445:35
3010.86:455:35
3110.86:455:36

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.16 kWh/m².

For context, solar energy here swings from a low near 3.92 kWh/m² to a high of 5.63 kWh/m² in April across the year — December's 4.16 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.1Bright
94.1Bright
104.1Bright
114.1Bright
124.1Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.2Bright
184.2Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.2Bright
314.2Bright
Planning a trip in December

Hazard calendar for Muang Phônsavan

In seasonPeak

None of Muang Phônsavan's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Muang Phônsavan's monsoon runs May–September, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Muang Phônsavan?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

8.2
Sightseeing
1st-best month of the year
5.9
Beach & pool
6th-best month of the year

December is one of the better times to visit Muang Phônsavan for general sightseeing.

What to pack for Muang Phônsavan in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Muang Phônsavan sees daytime highs around 22°C and nights near 10°C. Worth packing: light clothes.

light clothes

UV index in Muang Phônsavan in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Muang Phônsavan peaks around June 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 7 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highJun 20UV 14Dec 16UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar11Extreme
Apr10Extreme
May12Extreme
Jun14Extreme
Jul13Extreme
Aug14Extreme
Sep11Extreme
Oct11Extreme
Nov8Very high
Dec7Very high

Air quality in Muang Phônsavan in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Muang Phônsavan is worst in April — around 227 µg/m³ PM2.5 (very unhealthy), about 32.9× the cleanest month (August, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0306090120150180210240JanFebMarAprMayJunJulAugSepOctNovDecModerateVery unhealthyGoodApr 10223 µg/m³Aug 247 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb33Moderate
Mar206Very unhealthy
Apr227Very unhealthy
May22Moderate
Jun8Good
Jul7Good
Aug7Good
Sep7Good
Oct8Good
Nov7Good
Dec9Good
Location & terrain

Where is Muang Phônsavan?

Muang Phônsavan sits at 19.4°N, 103.2°E, 1,106 m above sea level, in Laos. The nearest listed city is Vang Vieng, 98 km away.

Vang ViengBorikhanLuang PrabangPakxanNong KhiawXam NuaBản Na HỷVieng Xai

Topography around Muang Phônsavan

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Muang Phônsavan.

Within 3 km, the terrain around Muang Phônsavan has only modest variations in elevation — a maximum elevation change of 229 m around an average of 1,111 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 903 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,599 m.

The land around Muang Phônsavan is covered by grassland (36%), cropland (27%) and artificial surfaces (26%) within 3 km, trees (45%) and grassland (35%) within 16 km, and trees (82%) within 80 km.

3 km
229 m
16 km
903 m
80 km
2,599 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Vang Vieng 98 km · Borikhan 113 km · Luang Prabang 119 km · Pakxan 127 km · Nong Khiaw 139 km · Xam Nua 140 km · Bản Na Hỷ 141 km · Vieng Xai 152 km

Laos travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C / E / F
230 V · 50 Hz
Prices
≈ 23% of US
price level, 2025
GDP per capita
$2,325
2025
Happiness
5.5 / 10
World Happiness, 2025
Safe drinking water
35%
of population, 2024
Road deaths
17.9
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Low
EF EPI 461
Religion
Buddhist 65%none 31%other/not stated 2%Christian 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Muang Phônsavan (19.4494°, 103.1917°, elevation 1,106 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).